基于谐波杂散抑制和双模检测架构的2.4GHz三元序列扩频OOK收发器

2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits) Pub Date : 2016-06-15 DOI:10.1109/VLSIC.2016.7573483

S. Kim, C. Park, Youngky Kim, Seok-Ju Yun, Young-Jun Hong, Sang-Gug Lee

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引用次数: 2

摘要

针对ULP可穿戴设备，提出了一种具有杂散抑制和双模检测架构的2.4 ghz三元序列扩频(TSSS)-OOK收发器。扩频放大器的随机双相开关抑制扩频OOK TX的固有杂散22dB。新的TSSS-OOK TX支持扩频和相干和非相干模式的双接收，实现12 dB信噪比增益。90nm CMOS单片TSSS-OOK收发器的有效面积为2.1mm2，在2.17mW时可测量1 Mb/s, 22dB抑制激振的输出频谱和5.5%的EVM。

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A 2.4GHz ternary sequence spread spectrum OOK transceiver with harmonic spur suppression and dual-mode detection architecture for ULP wearable devices

A novel 2.4-GHz Ternary Sequence Spread Spectrum (TSSS)-OOK Transceiver with spur suppression and dual-mode detection architecture is presented for the ULP wearable devices. A random bi-phase switching of a PA rejects the intrinsic spur of spread spectrum OOK TX by 22dB. A new TSSS-OOK TX supports spreading spectrum and dual reception of the coherent as well as non-coherent mode, implementing 12 dB SNR gain. The single-chip TSSS-OOK transceiver in 90nm CMOS occupies an active area of 2.1mm2 and measures 1 Mb/s, 22dB spur-suppressed output spectrum and 5.5% EVM at 2.17mW.

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2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

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